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Rails 4 LIKE query - ActiveRecord adds quotes

... Your placeholder is replaced by a string and you're not handling it right. Replace "name LIKE '%?%' OR postal_code LIKE '%?%'", search, search with "name LIKE ? OR postal_code LIKE ?", "%#{search}%", "%#{search}%" ...
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Which characters are valid in CSS class names/selectors?

...lready separate classes from each other. So, if you need to turn a random string into a CSS class name: take care of NUL and space, and escape (accordingly for CSS or HTML). Done. share | improve t...
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Best way to give a variable a default value (simulate Perl ||, ||= )

...specific to a null value. For example, if $_GET['name'] is set to an empty string, the first line would return an empty string, but we could return "john doe" by using $_GET['name'] ? $_GET['name'] : 'john doe'. – VPhantom May 20 at 18:33 ...
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json.dumps vs flask.jsonify

...understand the purpose of the flask.jsonify method. I try to make a JSON string from this: 5 Answers ...
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Use cases for the 'setdefault' dict method

... but not so much if it's dynamic. For example, I need a dictionary to map strings to unique ints. defaultdict(int) will always use 0 for the default value. Likewise, defaultdict(intGen()) always produces 1. Instead, I used a regular dict: nextID = intGen() myDict = {} for lots of complicated stuf...
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Is there an auto increment in sqlite?

...ect (bold & italic are mine): The AUTOINCREMENT keyword imposes extra CPU, memory, disk space, and disk I/O overhead and should be avoided if not strictly needed. It is usually not needed. In SQLite, a column with type INTEGER PRIMARY KEY is an alias for the ROWID (except in WITHO...
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Leaflet - How to find existing markers, and delete markers?

...ar marker = new Array(); /*Some Coordinates (here simulating somehow json string)*/ var items = [{"lat":"51.000","lon":"13.000"},{"lat":"52.000","lon":"13.010"},{"lat":"52.000","lon":"13.020"}]; /*pushing items into array each by each and then add markers*/ function itemWrap() { for(i=0;i<items...
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How to check whether a string is Base64 encoded or not

I want to decode a Base64 encoded string, then store it in my database. If the input is not Base64 encoded, I need to throw an error. ...
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Is there a short contains function for lists?

... @AlexF: That matches because ("--skip-ias") is not a tuple, but a string (the parentheses do nothing, just like (1) is just an integer). If you want a 1-tuple, you need to add a comma after the single item: ("--skip-ias",) (or (1,)). – Blckknght Jun 10...
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Can you add new statements to Python's syntax?

...NAME, "open" yield tokenize.OP, "(" yield tokenize.STRING, repr(LOGFILE) yield tokenize.OP, "," yield tokenize.STRING, "'a'" yield tokenize.OP, ")" yield tokenize.OP, "," else: yield type,name (This does ma...